defaults: &defaults host: 127.0.0.1 port: 27017 options: w: 1 pool_size: 1 slave_ok: false ssl: false development: <<: *defaults database: <%= database_name || app_name %>_development test: <<: *defaults database: <%= database_name || app_name %>_test w: 0 # set these environment variables on your prod server production: <<: *defaults database: <%= database_name || app_name %> username: <%%= ENV['MONGO_USERNAME'] %> password: <%%= ENV['MONGO_PASSWORD'] %>